Refer to the following data and scatterplots to respond to questions 7a-e.

Body Mass Individual |Years of School Index A 21 18 B 18 20 C 17 33 Figure A D 17 29 E 14 31 F 11 32 G 22 19 Body Mass Index H 23 21 16 33 L 22 36 K 17 30 0 5 10 15 20 L 25 15 28 Years of School M 17 20 N 12 28 O 14 33 D 13 29Figure B 40 35 30 25 Body Mass Index 20 15 10 5 10 15 20 25 Years of School Figure C 40 35 30 25 Body Mass Index 20 15 10 5 10 15 20 25 Years of School